Home / 39,930.54-55,102.12-22,024.47

Finding the Fourth Proportional to 39,930.54, 55,102.12 and 22,024.47

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Solution

The fourth proportional to 39,930.54, 55,102.12 and 22,024.47 is: 30,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.54 : 55,102.12 = 22,024.47 : x
  2. Step 2: Convert to fraction form
    39,930.54/55,102.12 = 22,024.47/x
  3. Step 3: Cross multiply
    39,930.54x = 55,102.12 × 22,024.47
  4. Step 4: Simplify right side
    39,930.54x = 1,213,594,988.88
  5. Step 5: Solve for x
    x = 1,213,594,988.88/39,930.54
  6. Step 6: Final answer
    x = 30,392.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.